Index
=>
SUMAS DE DOS CIFRAS
Matching exercise
Match the items on the right to the items on the left.
Check
1+10
???
18
11
14
27
21
20
30
28
23
16
2+12
???
18
11
14
27
21
20
30
28
23
16
3+17
???
18
11
14
27
21
20
30
28
23
16
4+19
???
18
11
14
27
21
20
30
28
23
16
5+13
???
18
11
14
27
21
20
30
28
23
16
6+10
???
18
11
14
27
21
20
30
28
23
16
7+15
???
18
11
14
27
21
20
30
28
23
16
8+20
???
18
11
14
27
21
20
30
28
23
16
9+21
???
18
11
14
27
21
20
30
28
23
16
10+17
???
18
11
14
27
21
20
30
28
23
16
Check
OK
Index
=>